A display apparatus includes a first substrate including a display area and a non-display area surrounding the display area, a second substrate on the first substrate, a bank in which a first opening in the display area and a first dummy opening in the non-display area are defined, a first quantum dot layer filling the first opening, and a first dummy quantum dot layer filling the first dummy opening, where each of the first quantum dot layer and the first dummy quantum dot layer includes first quantum dots and first scatterers.

A quantum dot composition includes a scatterer containing an inorganic material, a quantum dot containing a core and a shell surrounding the core, a ligand binding to the quantum dot, a polymer resin in which the quantum dot and the scatterer are dispersed, and a dispersant containing at least one of an acidic substituent or a basic substituent. At least one of the polymer resin or the dispersant includes a same material as the shell and the ligand binds to the polymer resin or dispersant that includes the same material as a shell.

The present application provides display panels, transparent display panels and manufacturing methods therefor. A transparent display panel includes a light transmitting substrate, pixel structures, second electrode connecting portions, and a nano-material layer. A display region of the light transmitting substrate includes alternately distributed pixel regions and non-pixel regions. The pixel structures are located in the pixel regions, each including: a first electrode close to the light transmitting substrate, a second electrode away from the light transmitting substrate, and a light emitting block between the first electrode and the second electrode. The second electrode connecting portions are located in the non-pixel regions, and connect adjacent second electrodes, and one or more materials for the second electrode connecting portions are the same as the one or more materials for the second electrodes, both including transflective materials. The nano-material layer includes a plurality of nano-island structures separated from each other, and is located at least on a side of the second electrode connecting portions away from the light transmitting substrate, and is configured to excite surface plasma polaritons corresponding to infrared light and scatter the infrared light.

A display panel includes at least one pixel unit. The pixel unit includes a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel. The first, second, third and fourth sub-pixels include a first color filter portion, second color filter portion, a third color filter portion and a fourth color filter portion, respectively. The first, second and third color filter portions are configured to emit light of three primary colors. A material of the fourth color filter portion includes at least one light conversion material configured to convert a portion of light directed to the fourth color filter portion into light of at least one primary color. The light of at least one primary color is capable of being mixed with another portion of the light directed to the fourth color filter portion to generate white light.

The present invention provides a display device and a manufacturing method thereof, including: forming a device board; forming a color resist layer on the device board; forming a black matrix layer on the device board, wherein at least a portion of the color resist blocks is defined in a grid region in the black matrix layer, and at least a portion of an orthographic projection of the color resist blocks on the device board covers at least a portion of an orthographic projection of an adjacent part of the black matrix layer on the device board; and forming a planarization layer covering the color resist blocks and the black matrix layer.

A display panel and a display device are provided. The display panel includes a bending region and a non-bending region, and the bending region is distributed on a periphery of the non-bending region. The display panel further includes a first functional layer and a second functional layer disposed on a first encapsulation layer. The second functional layer is disposed in the bending region. A refractive index of the second functional layer is greater than a refractive index of the first functional layer. An embodiment of the present invention improves display effects of the display panel.

Provided is an OLED display panel. The OLED display panel includes an OLED display substrate; a package substrate, opposite to the OLED display substrate, wherein a gap is defined between the package substrate and the OLED display substrate, and the gap is filled with a gas having a refractive index less than that of the package substrate; and a scattering structure, disposed on a side, distal from the OLED display substrate, of the package substrate, wherein the scattering structure is a single-layer or multi-layer structure configured to scatter light passing through the scattering structure.

A display panel, a preparation method, and a display device are disclosed, including an array substrate, an organic light emitting diode (OLED) light emitting device disposed on a side of the array substrate, and a scattering layer disposed on a side of the OLED light emitting device away from the array substrate, wherein the scattering layer has a plurality of micropores.

A display panel includes a light emitting element that includes a first electrode, a light emitting layer disposed on the first electrode, and a second electrode disposed on the light emitting layer, and that outputs a source light, a light control layer disposed on the light emitting element, and that includes light control patterns, and low refractive patterns disposed on an upper portion of each of the light control patterns, wherein light control patterns include a first light control pattern and a second light control pattern spaced apart from the first light control pattern, and the low refractive patterns include a first low refractive pattern disposed on the first light control pattern and a second low refractive pattern disposed on the second light control pattern, wherein the first low refractive pattern and the second low refractive pattern are spaced apart from each other on a plane.

An information display system includes a pixelated display including a plurality of pixels, each pixel including a plurality of subpixels, an inter-pixel region defined between two of the subpixels and at least one subpixel zone. Also included is an opti-cally-scattering layer in optical communication with the pixelated display, the optically-scattering layer including: a matrix and phase-separated microdomains, wherein the matrix and the phase separated microdomains have different refractive indices and wherein the phase-separated microdomains are disposed in at least one subpixel zone.